Yamaha VMAX 2009 Service Manual page 438

9. Check the gear position switch.
Refer to "CHECKING THE
SWITCHES" on page 8-129.
OK ↓
10.Check the sidestand switch.
Refer to "CHECKING THE
SWITCHES" on page 8-129.
OK ↓
11.Check the relay unit (diode).
Refer to "CHECKING THE RELAY
UNIT (DIODE)" on page 8-138.
OK ↓
12.Check the lean angle sensor.
Refer to "CHECKING THE LEAN
ANGLE SENSOR" on page 8-141.
OK ↓
13.Check the entire ignition system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-1.
OK ↓
Replace the ECU.
NG →
Replace the gear position switch.
NG →
Replace the sidestand switch.
NG →
Replace the relay unit.
NG →
Replace the lean angle sensor.
NG →
Properly connect or repair the ignition sys-
tem wiring.
8-5
IGNITION SYSTEM